From: Sebastian Ramacher <sramacher@debian.org>
Date: Sat, 11 Nov 2023 23:29:00 +0000 (+0100)
Subject: avcodec/avfft: initialize to 0 to avoid segfaults when freeing ctx2
X-Git-Tag: archive/raspbian/7%8.1-3+rpi1~1^2^2^2^2^2^2^2^2^2^2~2
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/success//%22mailto:kde%40ewsoftware.de/%22/%22http:/www.example.com/cgi/success/%22mailto:kde%40ewsoftware.de/%22?a=commitdiff_plain;h=0800c11a259278c2fabe54bae3ef0d1f9ec6650d;p=ffmpeg.git

avcodec/avfft: initialize to 0 to avoid segfaults when freeing ctx2


Gbp-Pq: Name 0001-avcodec-avfft-initialize-to-0-to-avoid-segfaults-whe.patch
---

diff --git a/libavcodec/avfft.c b/libavcodec/avfft.c
index fb635abf..3ef076d2 100644
--- a/libavcodec/avfft.c
+++ b/libavcodec/avfft.c
@@ -46,7 +46,7 @@ FFTContext *av_fft_init(int nbits, int inverse)
 {
     int ret;
     float scale = 1.0f;
-    AVTXWrapper *s = av_malloc(sizeof(*s));
+    AVTXWrapper *s = av_mallocz(sizeof(*s));
     if (!s)
         return NULL;
 
@@ -85,7 +85,7 @@ FFTContext *av_mdct_init(int nbits, int inverse, double scale)
 {
     int ret;
     float scale_f = scale;
-    AVTXWrapper *s = av_malloc(sizeof(*s));
+    AVTXWrapper *s = av_mallocz(sizeof(*s));
     if (!s)
         return NULL;
 
@@ -146,7 +146,7 @@ RDFTContext *av_rdft_init(int nbits, enum RDFTransformType trans)
     if (trans != IDFT_C2R && trans != DFT_R2C)
         return NULL;
 
-    s = av_malloc(sizeof(*s));
+    s = av_mallocz(sizeof(*s));
     if (!s)
         return NULL;
 
@@ -199,7 +199,7 @@ DCTContext *av_dct_init(int nbits, enum DCTTransformType inverse)
         [DST_I] = AV_TX_FLOAT_DST_I,
     };
 
-    AVTXWrapper *s = av_malloc(sizeof(*s));
+    AVTXWrapper *s = av_mallocz(sizeof(*s));
     if (!s)
         return NULL;